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Email Validation Services

Secure and reliable email validation service to check for invalid email addresses. It connects to the mail server and checks whether the mailbox exists or not. It reduces email bounce rate & costs. It increases conversion rate & sender reputation.

MailboxValidator is an easy to use bulk email list cleaning service.

All you have to do is upload your email list in either a text or CSV format and just wait for the email validation results.

Improve the quality of your email list by identifying invalid email addresses with MailboxValidator email validation solution. Learn how it works.

MailboxValidator API is easy to integrate and use.

Immediate results for email validation. Results returned in either JSON or XML formats.

Samples codes available to ease your integration with the API. More details.

Email Addresses Validated
Bad Email Addresses Detected

Our Key Features

Checks email syntax Email Syntax Checker

Validates that the email address conforms to a standard format.

Checks MX record MX Record Checker

Checks for the existence of mail server records in the DNS.

Tests network connection MX Server Connection Checker

Tests for a successful network connection to the mail server.

Checks for greylisting Email Greylisting Checker

Checks if the mail server uses spam trap as honeypot.

Detects Free Emails Free Email Provider Checker

Checks to see if the email address is from a free email provider like Gmail.

Detects Disposable Emails Disposable Email Provider Checker

Checks to see if the email address is from a disposable email provider like Mailinator.

Detects Suppressed Emails Suppressed Email Checker

Checks if an email is in our own Do Not Mail list.

Detects Role Emails Role Email Checker

Checks if an email address is a role email like admin, support, webmaster or sales.

Removes Duplicates Duplicate Email Remover

Removes duplicate emails in list to save cost.

Supports Bulk Validation Bulk Validation Supported

Upload a mailing list to speed up bulk cleaning.

Supports Single Validation Single Validation Supported

Validate a single email immediately.

Free Trial Plan Free Bulk Trial

Free bulk trial plan with 100 credits.

Validates email address for free

Improve email marketing strategy by removing bad emails.
It is fully automated & FREE.

Free trial for bulk email validation

Email Marketers

Analyze & validate email list.

Free email validation API for web developer


Seamless and quick integration.


Connect your MailboxValidator account to the most popular platforms.

Save your time and get started in 5 minutes.

Comprehensive report of domains, good-bad emails, etc.

Integrate email validation feature with major ESP

For a successful email marketing campaign

Clean your email list & improve your email performance.
We are ready to help you master the ways to improve email deliverability & increase conversion.

Our Clients

Email Validation
Email Validation
Email Validation
Email Validation
Email Validation

What Our Clients Say About Us

Great service

Great service, easy to use great results and 5 star service

Matt Kole

"It does exactly what it says on the tin"!

"It does exactly what it says on the tin"! Very fast process and accurate. I definitely recommend this awesome tool for the routine tasks. Thanks!


Easy to start. Get it for Free.

Validate email addresses? Try it today!